# Quantum Field Theory and Many Body Physics 2023

**2ND EXAM: Oct. 13, 2023 at 10am (Hörsaal A).**

**Please confirm participation by email to Felix v. Oppen by Oct. 12. **

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**Lectures will be held Mo 10-12 and Th 10-12 (Hörsaal B). **

**In addition, there will be tutorials Fr 10-12 (starting April 28; Seminar room 1.4.31).**

**Problem sets will be made available online on Thursdays and have to be turned in by the following Thursday BEFORE the beginning of class. **

**Problem sets**

example problem set and solution

set 6 solution see updated notes on bosonization (Chapter 7)

**Lecture notes**

Chapter 1: Second quantization

Chapter 2: Free bosons, free fermions, and 1D XY spins

Chapter 4: Excitonic insulators

Chapter 5: BCS theory of superconductivity

Chapter 6: Quantum Ising model

Chapter 8: Charge-flux attachment

Chapter 10: Linear response and correlation functions

Chapter 11: Boson functional integral

Chapter 12: Interacting Bose systems

Chapter 13: Charged superfluids

Chapter 14: Grassmann numbers and fermionic path integrals

Chapter 15: Hubbard-Stratonovich transformation and RPA

Chapter 16: BCS theory of superconductivity: Functional integral approach